NYC-WTC_000233096

NYC 9/11 Public Portal Document

PSC Analytical Services Certificate of Analysis

R02100402 R02100402 R02100402 R02100402 Client ID: 19A 19A 19A Client ID: 20A Lab No.: 039104 02 039104 02 039104 02 Lab No.: 039105 02 e Sampled: 02/09/10 02/09/10 02/09/10 Date Sampled: 02/09/10 Matrix: Matrix:

Component Units TEF f of Isomer; RDL Units

Dioxins and furans

2,3,7,8-CI4DBF pg 2.9 0.29 0.33 pg 0.94 2,3,7,8-CI4DBD 1.4 1.4 0.38 <0.38 1,2,3,7,8-CI5DBF 2.1 0.10 0.45 <0.45 2,3,4,7,8-CI5DBF <2.5 <1.3 0.43 <0.43 1.2.3.7.8-CI5DBD 1.7 0.85 1.1 <1.1 1,2,3,4,7,8-CI6DBF <2.6 <0.26 1.3 <1.3 1,2,3,6,7,8-CI6DBF 2.4 0.24 1.2 <1.2 2,3,4,6,7,8-CI6DBF 5.3 0.53 1.4 <1.4 1,2,3,7,8,9-CI6DBF 3.8 0.38 1.5 <1.5 1.2.3.4.7.8-CI6DBD <2.3 <0.23 1.2 <1.2 1,2,3,6,7,8-CI6DBD 2.6 0.26 1.1 <1.1 1,2,3,7,8,9-CI6DBD <3.8 <0.38 1.1 <1.1 1,2,3,4,6,7,8-CI7DBF <4.6 <0.046 3.0 <3.0 1,2,3,4,7,8,9-CI7DBF 4.3 0.043 1.2 <1.2 1.2.3.4.6.7.8-CI7DBD 4.0 0.040 0.90 <0.90 1,2,3,4,6,7,8,9-CI8DBF 7.0 0.0070 1.1 <1.1 1,2,3,4,6,7,8,9-CI8DBD 12 0.012 3.1 <3.1

TEF pg 4.2 pg MAX TEF <6.4

ET4CDF pg 2.9 1 0.33 pg 0.94 EP5CDF 2.1 1 0.45 <0.45 EH6CDF 12 3 1.3 <1.3 EH7CDF 4.3 1 1.2 <1.2 OCDF 7.0 1 1.1 <1.1 ET4CDD 2.9 2 0.34 <0.34 EP5CDD 1.7 1 1.1 <1.1 EH6CDD 2.6 1 1.1 <1.1 EH7CDD 4.0 1 0.90 <0.90 OCDD 12 1 3.1 <3.1 Surrogate Recoveries % % 2,3,7,8-T4CDF-13C12 89 91 2,3,7,8-T4CDD-13C12 81 82 1,2,3,7,8-P5CDF-13C12 75 76 1,2,3,7,8-P5CDD-13C12 70 73 1,2,3,6,7,8-H6CDF-13C12 68 48 1,2,3,6,7,8-H6CDD-13C12 80 69 1,2,3,4,6,7,8-H7CDF-13C12 58 37 1,2,3,4,6,7,8-H7CDD-13C12 83 80 OCDD-13C12 64 60

Certificate No:2J0575 file# =DEP00118928.XLS nh Page 14 of Revision No. 0

CITY_21MC100_003218958

NYC-WTC_000233112